US3056672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Columbium base alloy
Assignee: General Electric Co
•
Filing: 1960-12-01
•
Granted: 1962-10-02
•
Expires: 1980-12-01
Abstract
No abstract record available.
Inventors
- 👤 Jack W Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:00
CPC Classifications
C; C22; C22C; C22C27/00; C22C27/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
COLUMBIUM BASE ALLOY CONSISTING ESSENTIALLY OF, BY WEIGHT, ABOUT 20% TUNGSTEN; 0.5-2% OF AT LEAST ONE OF THE ELEMENTS SELECTED FROM THE GROUP CONSISTING OF ZIRCONIUM AND HAFNIUM; 0.01-0.2% CARBON; WITH THE BALANCE COLUMBIUM, THE ATOMIC RATIO OF THE ELEMENTS OF SAID GROUP TO CARBON BEING IN THE RANGE OF 0.5-1.5.
Claim 2
Dependent Claim
51 words
COLUMBIUM BASE ALLOY CONSISTING ESSENTIALLY OF, BY WEIGHT, ABOUT 20% TUNGSTEN; 0.5-2% OF AT LEAST ONE OF THE ELEMENTS SELECTED FROM THE GROUP CONSISTING OF ZIRCONIUM AND HAFNIUM; 0.01-0.2% CARBON; WITH THE BALANCE COLUMBIUM, THE ATOMIC RATIO OF THE ELEMENTS OF SAID GROUP TO CARBON BEING IN THE RANGE OF 0.5-1.5.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |